Home / 1,080,001.28-1,490,397.21-596,566.43

Finding the Fourth Proportional to 1,080,001.28, 1,490,397.21 and 596,566.43

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Solution

The fourth proportional to 1,080,001.28, 1,490,397.21 and 596,566.43 is: 823,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,001.28 : 1,490,397.21 = 596,566.43 : x
  2. Step 2: Convert to fraction form
    1,080,001.28/1,490,397.21 = 596,566.43/x
  3. Step 3: Cross multiply
    1,080,001.28x = 1,490,397.21 × 596,566.43
  4. Step 4: Simplify right side
    1,080,001.28x = 889,120,943,225.79
  5. Step 5: Solve for x
    x = 889,120,943,225.79/1,080,001.28
  6. Step 6: Final answer
    x = 823,259.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.